Use a union typdef for the return type of canvas.getContext

third_party/WebKit/Source/modules/webgl/WebGLRenderingContext.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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 #include "modules/webgl/WebGLRenderingContext.h"
 
+#include "bindings/modules/v8/UnionTypesModules.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
 #include "core/layout/LayoutBox.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "modules/webgl/ANGLEInstancedArrays.h"
 #include "modules/webgl/CHROMIUMSubscribeUniform.h"
 #include "modules/webgl/EXTBlendMinMax.h"
 #include "modules/webgl/EXTDisjointTimerQuery.h"
 #include "modules/webgl/EXTFragDepth.h"
@@ skipping 59 matching lines @@
 
 WebGLRenderingContext::WebGLRenderingContext(HTMLCanvasElement* passedCanvas, PassOwnPtr<WebGraphicsContext3D> context, const WebGLContextAttributes& requestedAttributes)
     : WebGLRenderingContextBase(passedCanvas, context, requestedAttributes)
 {
 }
 
 WebGLRenderingContext::~WebGLRenderingContext()
 {
 }
 
+void WebGLRenderingContext::setCanvasGetContextResult(RenderingContext& result)
+{
+    result.setWebGLRenderingContext(RefPtrWillBeRawPtr<WebGLRenderingContext>(this));
+}
+
 void WebGLRenderingContext::registerContextExtensions()
 {
     // Register extensions.
     static const char* const bothPrefixes[] = { "", "WEBKIT_", 0, };
 
     registerExtension<ANGLEInstancedArrays>(m_angleInstancedArrays);
     registerExtension<CHROMIUMSubscribeUniform>(m_chromiumSubscribeUniform);
     registerExtension<EXTBlendMinMax>(m_extBlendMinMax);
     registerExtension<EXTDisjointTimerQuery>(m_extDisjointTimerQuery);
     registerExtension<EXTFragDepth>(m_extFragDepth);
@@ skipping 43 matching lines @@
     visitor->trace(m_webglCompressedTextureASTC);
     visitor->trace(m_webglCompressedTextureATC);
     visitor->trace(m_webglCompressedTextureETC1);
     visitor->trace(m_webglCompressedTexturePVRTC);
     visitor->trace(m_webglCompressedTextureS3TC);
     visitor->trace(m_webglDepthTexture);
     WebGLRenderingContextBase::trace(visitor);
 }
 
 } // namespace blink